CN204388688U - For the flow collection pipe component of heat exchanger - Google Patents

Abstract

The utility model discloses a kind of flow collection pipe component for heat exchanger, the described flow collection pipe component for heat exchanger comprises: header, and the tube wall of described header is provided with circular socket holes; Adapter, described adapter has rounded engagement post and rounded engagement hole, and described rounded engagement post to be engaged in described circular socket holes and to weld with described header; Tube connector, described tube connector is pipe and has first end and the second end, the first end of described tube connector to be engaged in described rounded engagement hole and to weld with described adapter, and at least one in the outside wall surface of the first end of the outside wall surface of wherein said rounded engagement post, the wall of described circular socket holes, described tube connector and the wall in described rounded engagement hole is provided with solder flux guiding gutter.According to the flow collection pipe component for heat exchanger of the present utility model, there is weld strength advantages of higher.

Description

Header Assemblies for Heat Exchangers

technical field

The utility model relates to the technical field of heat exchange, in particular to a collector assembly for a heat exchanger.

Background technique

Heat exchangers such as parallel flow heat exchangers (eg, multi-channel heat exchangers or micro-channel heat exchangers) have been widely used due to their superior heat transfer performance. When connecting the heat exchanger to the heat exchange system, it is necessary to connect the header of the heat exchanger to other pipes of the heat exchange system. In the related art, in order to facilitate the connection, the connecting pipe is usually connected to the collecting pipe through the adapter seat. Or transition fit and then weld. The connecting pipe and the adapter seat and the adapter seat and the header have an interference or transition fit. After the welding ring is melted, the welding liquid cannot flow into the contact surface between the collector pipe and the adapter seat and the connecting pipe and the adapter seat, which leads to False welding phenomenon is easy to fall off and affects the use of the heat exchanger. For this reason, in related technologies, it is proposed to reserve a certain gap between the collector pipe and the adapter seat and the connecting pipe and the adapter seat in advance to avoid the false welding phenomenon. However, the size of the gap is difficult to control. If the gap is too large, a large amount of welding liquid will flow into the collecting pipe and connecting pipe, causing the welding liquid to accumulate or even block. If the gap is too small, it is not conducive to preventing the occurrence of false welding.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the utility model proposes a header assembly for a heat exchanger, which has the advantages of high welding strength and the like.

In order to achieve the above purpose, the utility model proposes a header assembly for a heat exchanger, the header assembly for a heat exchanger includes: a header, the tube wall of the header is provided with There is a circular socket; an adapter seat, the adapter seat has a circular matching column and a circular matching hole, and the circular matching column is fitted in the circular socket and welded to the collector; A connecting pipe, the connecting pipe is a round pipe with a first end and a second end, the first end of the connecting pipe fits in the circular fitting hole and is welded with the adapter seat, wherein the round At least one of the outer wall surface of the form-fitting post, the wall surface of the circular socket, the outer wall surface of the first end of the connecting pipe and the wall surface of the circular matching hole is provided with a flux guide groove.

The header assembly for the heat exchanger according to the utility model has the advantages of high welding strength and the like.

In addition, the header assembly for heat exchangers according to the present invention also has the following additional technical features:

The circular fitting post is interference fit or transition fit in the circular socket, and the first end of the connecting pipe is interference fit or transition fit in the circular fitting hole.

The flux diversion grooves are both provided on the outer wall surface of the circular fitting column and the wall surface of the circular socket.

The flux diversion groove is provided on the outer wall surface of the first end of the connecting pipe and the wall surface of the circular fitting hole.

The utility model also proposes a header assembly for a heat exchanger. The header assembly for a heat exchanger includes: a header, and a circular insert is arranged on the wall of the header. A hole; a connecting pipe, the connecting pipe is a round pipe and has a first end and a second end, the first end of the connecting pipe fits in the circular socket and is welded with the collector, the At least one of the outer wall surface of the first end of the connecting pipe and the wall surface of the circular socket is provided with a flux guiding groove.

The header assembly for the heat exchanger according to the utility model has the advantages of high welding strength and the like.

The first end of the connecting pipe is interference fit or transition fit in the circular socket.

The flux guide groove is formed on the wall of the circular socket.

The flux guide groove is formed on the outer wall surface of the first end of the connecting pipe.

The flux guiding groove is a straight groove or a spiral groove or a groove formed by knurling.

Description of drawings

Fig. 1 is a schematic structural view of a header assembly for a heat exchanger according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a header assembly for a heat exchanger according to another embodiment of the present invention.

Fig. 3 is a schematic structural view of a header assembly for a heat exchanger according to another embodiment of the present invention.

Fig. 4 is a schematic structural view of a header assembly for a heat exchanger according to another embodiment of the present invention.

Reference numerals: header assembly 1 for heat exchanger, header 100, socket 110, adapter seat 200, fitting post 210, fitting hole 220, connecting pipe 300, first end 310, second end 320 , a flux diversion tank 400 , and a copper pipe 500 .

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

A header assembly 1 for a heat exchanger according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2 , a header assembly 1 for a heat exchanger according to an embodiment of the present invention includes a header 100 , an adapter seat 200 and a connecting pipe 300 .

A circular insertion hole 110 is provided on the pipe wall of the collector pipe 100 . The adapter base 200 has a circular fitting post 210 and a circular fitting hole 220 , the circular fitting post 210 fits in the circular socket 110 and is welded with the header 100 . The connecting pipe 300 is a round pipe and has a first end 310 and a second end 320 . The first end 310 of the connecting pipe 300 fits in the circular matching hole 220 and is welded with the adapter seat 200 . Wherein, at least one of the outer wall surface of the circular matching column 210, the wall surface of the circular socket 110, the outer wall surface of the first end 310 of the connecting pipe 300 and the wall surface of the circular matching hole 220 is provided with a flux diversion groove 400 . In other words, at least one of the connection surfaces of the connection pipe 300 , the adapter seat 200 and the header 100 is provided with a flux guide groove 400 .

According to the header assembly 1 for a heat exchanger according to the embodiment of the present invention, the outer wall surface of the circular matching column 210, the wall surface of the circular socket 110, the outer wall surface of the first end 310 of the connecting pipe 300 and the At least one of the walls of the circular matching hole 220 is provided with a flux diversion groove 400, so that the flux diversion groove 400 can be used to form a gap between the two welded parts, and the flux diversion groove 400 can be used for melting flux during welding. Capillary effect is generated, so that the flux is sucked into the interior, so that the flux can flow well on the connecting surface of the connecting pipe 300, the adapter seat 200 and the collector pipe 100, so as to fill the connecting pipe 300, the adapter seat 200 and the collector pipe 100. The connecting surface of the flow tube 100 further increases the welding area of the connecting tube 300 , the adapter seat 200 and the collecting tube 100 , thereby improving the welding strength, subsequent service life and corrosion resistance.

A header assembly 1 for a heat exchanger according to a specific embodiment of the present invention will be described below with reference to the accompanying drawings.

In some specific embodiments of the present utility model, as shown in FIG. 1 and FIG. 2 , the header assembly 1 for a heat exchanger according to the embodiment of the present utility model includes a header 100, an adapter seat 200 and a connection Tube 300.

Wherein, the connecting pipe 300 is a stainless steel pipe. The first end 310 of the connection pipe 300 has a circular cross section, and the second end 320 of the connection pipe 300 is connected with a copper pipe 600 .

In order to further ensure the welding strength between the connecting pipe 300 and the adapter seat 200 and the welding strength between the adapter seat 200 and the header 100, the first end 310 of the connecting pipe 300 is interference-fit or transition-fit in the circular fitting hole 220, The circular fit post 210 is an interference fit or transition fit within the circular socket 110 . Thus, the connection tightness between the connecting pipe 300 and the adapter base 200 and the connection tightness between the adapter base 200 and the header 100 can be improved.

In some specific examples of the present invention, as shown in FIG. 1 and FIG. 2 , flux guide grooves 400 are provided on the outer wall surface of the circular matching column 210 and the wall surface of the circular socket 110 . Thus, the melted flux can flow into the flux diversion groove 400 between the mating post 210 and the socket 110, thereby increasing the welding area between the mating post 210 and the socket 110, and further improving the connection between the adapter seat 200 and the header 100. the welding strength.

Further, the outer wall surface of the first end 310 of the connecting pipe 300 and the wall surface of the circular fitting post 210 are both provided with a flux guide groove 400 . Thus, the melted flux can flow into the flux guide groove 400 between the connecting pipe 300 and the fitting hole 220, thereby increasing the welding area between the connecting pipe 300 and the fitting hole 220, thereby improving the welding of the connecting pipe 300 and the adapter seat 200 strength.

Optionally, the flux guide groove 400 is a straight groove, a spiral groove or a groove formed by knurling.

For example, the flux guide groove 400 can be respectively provided on the outer wall surface of the circular matching column 210, the inner wall surface of the circular socket 110, the outer wall surface of the first end 310 of the connecting pipe 300 and the circular matching hole 220. The spiral groove on the inner wall surface (as shown in Figure 1).

The flux guide groove 400 can be a groove formed by knurling on the outer wall surface of the circular matching column 210, the outer wall surface of the first end 310 of the connecting pipe 300, and the inner wall surface of the circular socket 110. The linear groove (as shown in Figure 2).

It should be understood by those skilled in the art that the utility model is for the flux diversion groove 400 on the outer wall surface of the circular matching column 210, the wall surface of the circular socket 110, the outer wall surface of the first end 310 of the connecting pipe 300 and the circle The specific position on the wall surface of the form-fitting hole 220 and the shape and number of the flux guide groove 400 are not specifically limited, as long as it is formed on the welding surface between the connecting pipe 300, the adapter seat 200 and the header 100. The gap is fine.

A header assembly 1 for a heat exchanger according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 3 and 4 , a header assembly 1 for a heat exchanger according to an embodiment of the present invention includes a header 100 and a connecting pipe 300 .

A circular insertion hole 110 is provided on the pipe wall of the collector pipe 100 . The connecting pipe 300 is a round pipe and has a first end 310 and a second end 320. The first end 310 of the connecting pipe 300 fits in the circular socket 110 and is welded with the header 100. The first end of the connecting pipe 300 At least one of the outer wall surface and the wall surface of the circular insertion hole 110 is provided with a flux guiding groove 400 .

According to the header assembly 1 for heat exchangers according to the embodiment of the present invention, a flux guide groove 400 is provided on at least one of the outer wall surface of the first end of the connecting pipe 300 and the wall surface of the circular socket 110 In this way, the flux diversion groove 400 can be used to form a gap between the connecting pipe 300 and the header 100, and the flux diversion groove 400 can produce a capillary effect on the molten flux during welding, thereby sucking the flux into the interior, so that the flux can be The connecting surface of the connecting pipe 300 and the collecting pipe 100 is well diffused to fill the connecting surface of the connecting pipe 300 and the collecting pipe 100, thereby increasing the welding area of the connecting pipe 300 and the collecting pipe 100, improving the Weld strength and subsequent service life and corrosion resistance.

A header assembly 1 for a heat exchanger according to a specific embodiment of the present invention will be described below with reference to the accompanying drawings.

In some specific embodiments of the present utility model, as shown in FIG. 3 and FIG. 4 , the header assembly 1 for a heat exchanger according to the embodiment of the present utility model includes a header 100 and a connecting pipe 300 .

Optionally, the connecting pipe 300 is a stainless steel pipe. The first end 310 of the connection pipe 300 has a circular cross section, and the second end 320 of the connection pipe 300 is connected with a copper pipe 600 .

In order to further ensure the welding strength between the connecting pipe 300 and the header 100 , the first end 310 of the connecting pipe 300 is interference-fitted or transition-fitted in the circular insertion hole 110 . Thus, the connection tightness between the connecting pipe 300 and the header 100 can be improved.

In some specific examples of the present invention, the flux guiding groove 400 may be formed on the inner wall of the circular insertion hole 110 , and may also be formed on the outer wall of the first end 310 of the connecting pipe 300 . Preferably, the inner wall of the circular socket 110 and the outer wall of the first end 310 of the connecting pipe 300 are respectively provided with flux guide grooves 400 .

Optionally, the flux guide groove 400 is a straight groove, a spiral groove or a groove formed by knurling.

For example, the flux guiding groove 400 may be a spiral groove (as shown in FIG. 3 ) respectively provided on the inner wall of the circular insertion hole 110 and the outer wall of the first end 310 of the connecting pipe 300 .

The flux diversion groove 400 can be a groove formed by knurling on the outer wall surface of the first end 310 of the connecting pipe 300 and a linear groove on the inner wall surface of the circular socket 110 (as shown in FIG. 4 ).

Those skilled in the art need to understand that the utility model has a specific position on the wall surface of the circular socket 110 and the outer wall surface of the first end 310 of the connecting pipe 300 and the position of the flux guide groove 400 in the present invention. The shape and number are not specifically limited, as long as a gap is formed on the welding surface of the connecting pipe 300 and the header 100 .

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components , unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (9)

1. for a flow collection pipe component for heat exchanger, it is characterized in that, comprising:

Header, the tube wall of described header is provided with circular socket holes;

Adapter, described adapter has rounded engagement post and rounded engagement hole, and described rounded engagement post to be engaged in described circular socket holes and to weld with described header;

Tube connector, described tube connector is pipe and has first end and the second end, the first end of described tube connector to be engaged in described rounded engagement hole and to weld with described adapter, and at least one in the outside wall surface of the first end of the outside wall surface of wherein said rounded engagement post, the wall of described circular socket holes, described tube connector and the wall in described rounded engagement hole is provided with solder flux guiding gutter.

2. the flow collection pipe component for heat exchanger according to claim 1, it is characterized in that, described rounded engagement post interference fit or interference fits are in described circular socket holes, and the first end interference fit of described tube connector or interference fits are in described rounded engagement hole.

3. the flow collection pipe component for heat exchanger according to claim 1 and 2, is characterized in that, the outside wall surface of described rounded engagement post and the wall of described circular socket holes are equipped with described solder flux guiding gutter.

4. the flow collection pipe component for heat exchanger according to claim 1 and 2, is characterized in that, the outside wall surface of the first end of described tube connector and the wall in described rounded engagement hole are equipped with described solder flux guiding gutter.

5. for a flow collection pipe component for heat exchanger, it is characterized in that, comprising:

Header, the tube wall of described header is provided with circular socket holes;

Tube connector, described tube connector is pipe and has first end and the second end, the first end of described tube connector to be engaged in described circular socket holes and to weld with described header, and at least one in the outside wall surface of the first end of described tube connector and the wall of described circular socket holes is provided with solder flux guiding gutter.

6. the flow collection pipe component for heat exchanger according to claim 5, is characterized in that, the first end interference fit of described tube connector or interference fits are in described circular socket holes.

7. the flow collection pipe component for heat exchanger according to claim 5 or 6, is characterized in that, described solder flux guiding gutter is formed on the wall of described circular socket holes.

8. the flow collection pipe component for heat exchanger according to claim 5 or 6, is characterized in that, described solder flux guiding gutter is formed in the outside wall surface of the first end of described tube connector.

9. the flow collection pipe component for heat exchanger according to claim 5, is characterized in that, the groove that described solder flux guiding gutter is straight-line groove or helicla flute or is formed by annular knurl.